- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06067880
Surgical Intervention and Lymphatic Diseases.
Surgical Intervention and Post Operative Improvement in Patients With Lymphatic Diseases.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Lymphatic-related diseases such as lymphedema often result from damage to the lymphatic system due to tumor removal and lymph node dissection surgeries, as well as tissue fibrosis caused by post-operative radiation therapy. This can lead to obstruction in the proximal channels of lymphatic flow, resulting in swelling, deformity of the distal limbs, poor wound healing, or cellulitis.
In the case of lymphatic-related diseases like lymphedema, improvement can be achieved through surgical interventions. Surgery can be categorized into physiologic reconstruction and volume reduction procedures. Among them, Supermicrosurgical Lymphaticovenous Anastomosis (LVA) is a form of physiologic reconstruction. LVA involves the separation of lymphatic vessels in the affected limb and their anastomosis with nearby small veins to alleviate limb swelling and reduce the risk of cellulitis. When using lymphaticovenous bypass surgery to treat lymphedema, the ideal scenario is to use veins for anastomosis that do not have venous blood reflux. This is because veins generally have higher blood pressure than lymphatic fluid, and if venous blood flows into the lymphatic vessels over the long term, it can reduce the patency of the lymphaticovenous anastomosis site. The choice of anastomosis technique, based on the size and position of the lymphatic vessels and veins, can also impact the post-operative outcomes. Therefore, factors such as lymphatic vessel size, flow rate, function, vein size, pressure, and the presence of reflux are closely related to the success of lymphaticovenous bypass surgery.
Supermicrosurgical LVA has been proven effective in treating moderate to severe lymphedema, including cases with diffuse dermal backflow (DB) and even severe lymphatic fluid leakage. Therefore, the use of LVA should not be limited to mild lymphedema, and its indications should be expanded to become a primary surgical approach for more severe lymphedema cases. Among all surgical procedures for lymphedema, LVA is the least invasive, allowing for rapid recovery, minimizing the complications, and reducing medical costs.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Kaohsiung, Taiwan, 83301
- Kaohsiung Chang Gung Memorial Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- This study including patients diagnosed with lymphatic-related diseases at Kaohsiung Chang Gung Memorial Hospital from September 1, 2015, to August 31, 2022.
Exclusion Criteria:
- Patients under the age of 20.
- Patients with incomplete medical records.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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Lower Limb Lymphedema
This was a retrospective cohort propensity score-matched study.
Patients with cancer-related unilateral lower limb lymphedema were enrolled.
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This group included patients who have used only contraction type LVs.
This group included patients who had only non- contraction type LVs.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Volume change after LVA.
Time Frame: 6/12 months
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The primary endpoint was the volume change at 6/12 months after LVA.
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6/12 months
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 202201453B0
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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